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Inventor

Baoshan Guan

Inventor
Beijing, CN

Overview

3→
Patents
2018–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere43%
E21BEarth or rock drilling29%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
Y02PClimate change mitigation technologies in the production or processing of goods14%
PatentTitleYear
10,584,276CO202010,094,814Performance testing device for acid fracturing fluid and application thereof20189,856,413'Viscoelastic surfactant having multiple hydrophobic and hydrophilic groups as fracturing fluids'2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to PETROCHINA CO LTD (2)· patent assignee history
2018–2020Based in Beijing, CN· patent location history
2018Based in Langfang, CN· patent location history
2020Patents assigned to SCIENCE AND TECH RESEARCH INSTITUTE LTD PETRO CHINA (1)· patent assignee history
2020Patents assigned to UNIV CHINA GEOSCIENCES BEIJING (1)· patent assignee history
2020Patents assigned to UNIV CHINA PETROLEUM EAST CHINA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PETROCHINA CO LTD22018
SCIENCE AND TECH RESEARCH INSTITUTE LTD PETRO CHINA12020
UNIV CHINA GEOSCIENCES BEIJING12020
UNIV CHINA PETROLEUM EAST CHINA12020
Locations
LocationPatentsSpan
Beijing, CN22018–2020
Langfang, CN12018